What is it that goes into OPI sculptured nail products? Personality…and lots of it. The personalities of the two key individuals who run and manage this acrylic product firm, and the imprint they have left on the three-year-old Southern California company, tell as much about their product as any chemical analysis…and probably more. A company’s policies and style are very much a reflection of the people who run it. Therefore, the question is not necessarily “what is OPI?” but “Who is OPI?”